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GUI rendering in multi tab report
Rank: Member
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Joined: 11/4/2015(UTC) Posts: 17  Thanks: 4 times
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Hi,
Need some clarification on, how seal handles the rendering/generating the final HTML report in case of multiple tabs.
This is becoming bottleneck for performance of a report generated.
Could anybody please confirm the below assumptions,
Ex : Report has 3 tabs, each linked to 3 different models.
1. Seal runs all model queries in parallel.
2. Waits till the query execution gets completed for all 3 models.
3. Generates the single HTML report and returns it to browser.
The report rendering is not asynchronous. Only query execution is parallel. Is my understanding is correct?
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Rank: Administration
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Joined: 12/20/2013(UTC) Posts: 1,209  Thanks: 14 times
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Yes, you are right, model generations (SQL queries sent to the database to build the models) are run in parallel .
Then the rendering in HTML is sequential starting from the root view.
A small remark: If 2 models generate the same SQL command (including restrictions) the Seal engine will only send only once the command,
thus a way to optimize is to build up similar models when possible, then for example, just changing the chart definition...
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